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4226.0 - Aspects of Literacy: Profiles and Perceptions, Australia, 1996  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 30/04/1997   
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NOTES


COMPARABILITY OF TIME SERIES WITH 2011-2012 PROGRAMME FOR THE INTERNATIONAL ASSESSMENT OF ADULT COMPETENCIES (PIAAC), cat. no. (4228.0)

A new product has been released in this series of international surveys of adult literacy skills. PIAAC 2011-2012 is the third survey of international comparisons of adult literacy skills conducted in Australia and is preceded by the Adult Literacy and Life Skills Survey (ALLS) 2006 and Survey of Aspects of Literacy (SAL) 1996 (internationally known as the International Adult Literacy Survey (IALS)).

Data previously released in the ALLS and SAL publications are not directly comparable with PIAAC data. The reasons for this are:

  • The literacy and numeracy skill levels previously published for ALLS and SAL have been redefined to make them consistent with PIAAC. The description of the skill levels (Level 1, Level 2 etc.) have been altered because they are now based on a model with a response probability (RP) value of 0.67 rather than a model with a RP value of 0.8. The 0.67 value was used in PIAAC to achieve consistency with the OECD survey Programme for International Student Assessment (PISA), in the description of what it means to be performing at a particular level of proficiency. The new RP value does not affect the score that was calculated for a respondent. However, it does affect the interpretation of the score. Therefore, users of this data should refer to the new skill level descriptions provided in the appendix Scores and skill levels when performing time-series comparisons.
  • The prose and document literacy scales from ALLS and SAL have been combined to produce a single literacy scale which is comparable to the PIAAC literacy scale.
  • The numeracy scores from ALLS have been recalculated using a model that incorporates the results of all countries that participated in ALLS. (The previous model was based only on countries which participated in the first round of ALLS.) This has resulted in some minor changes to the ALLS numeracy scores. SAL did not collect a numeracy domain which is comparable with ALLS and PIAAC.
These remodelled scores from SAL will be included in additional data cubes to be appended to the PIAAC publication later in 2013.

Refer to the Comparability of Time Series section of the PIAAC Explanatory Notes for further information about comparing SAL data with PIAAC.


ABOUT THIS RELEASE

Presents initial results from the Survey of Aspects of Literacy conducted in the first half of 1996. Contains information about people's use of certain literacy skills in the workplace and in everyday life, people's perceptions of their own skills in reading, writing, and numeracy and whether people need help performing tasks that require literacy skills. Also contains information about Australians' use of languages other than English.

Note: See also 4228.0.



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